104120511 has 16 divisors (see below), whose sum is σ = 151996800. Its totient is φ = 62874720.

The previous prime is 104120509. The next prime is 104120519. The reversal of 104120511 is 115021401.

It is a happy number.

It is not a de Polignac number, because 104120511 - 2¹ = 104120509 is a prime.

It is a super-2 number, since 2×104120511² = 21682161621802242, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104120519) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3765 + ... + 14913.

It is an arithmetic number, because the mean of its divisors is an integer number (9499800).

Almost surely, 2^104120511 is an apocalyptic number.

104120511 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

104120511 is a deficient number, since it is larger than the sum of its proper divisors (47876289).

104120511 is a wasteful number, since it uses less digits than its factorization.

104120511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11446.

The product of its (nonzero) digits is 40, while the sum is 15.

The square root of 104120511 is about 10203.9458544232. The cubic root of 104120511 is about 470.4485095413.

Adding to 104120511 its reverse (115021401), we get a palindrome (219141912).

The spelling of 104120511 in words is "one hundred four million, one hundred twenty thousand, five hundred eleven".